If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT （）.<br>A:the circuit breaker<br>B:for leaks in the suction piping<br>C:relief valve is not properly seated<br>D:the suction strainer

If a bilge pump is able to develop vacuum, but is unable to sufficiently pump out the bilges, you would check for all of the following EXCEPT （）.
A:the circuit breaker
B:for leaks in the suction piping
C:relief valve is not properly seated
D:the suction strainer

出自：海船船员证

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